This 'Darling Downs' population has been previously referred to both grassland earless dragon (Tympanocryptis pinguicolla) and Tymanocryptis tetraporophora, but has now been formally described as a new species.

Moved from Amphibolurus to Diporiphora.1 - Melville & Edwards (2011). Extensive Phylogeographic and Morphological Diversity in Diporiphora nobbi (Agamidae) Leads to a Taxonomic Review and a New Species Description. Journal of Herpetology, 45(4):530-546.

Australian Capital TerritoryNew South WalesQueenslandSouth AustraliaVictoria

Was split into multiple species in 2011.1 - Pepper etal. (2011). Ancient drainages divide cryptic species in Australia's arid zone: Morphological and multi-gene evidence for four new species of Beaked Geckos (Rhynchoedura). Molecular Phylogenetics and Evolution, 61:810-822.

Was split from Western beaked gecko (Rhynchoedura ornata) in 2011.1 - Pepper etal. (2011). Ancient drainages divide cryptic species in Australia's arid zone: Morphological and multi-gene evidence for four new species of Beaked Geckos (Rhynchoedura). Molecular Phylogenetics and Evolution, 61:810-822.

Was split from Western beaked gecko (Rhynchoedura ornata) in 2011.1 - Pepper etal. (2011). Ancient drainages divide cryptic species in Australia's arid zone: Morphological and multi-gene evidence for four new species of Beaked Geckos (Rhynchoedura). Molecular Phylogenetics and Evolution, 61:810-822.

Was split from Western beaked gecko (Rhynchoedura ornata) in 2011.1 - Pepper etal. (2011). Ancient drainages divide cryptic species in Australia's arid zone: Morphological and multi-gene evidence for four new species of Beaked Geckos (Rhynchoedura). Molecular Phylogenetics and Evolution, 61:810-822.

Was split from Western beaked gecko (Rhynchoedura ornata) in 2011.1 - Pepper etal. (2011). Ancient drainages divide cryptic species in Australia's arid zone: Morphological and multi-gene evidence for four new species of Beaked Geckos (Rhynchoedura). Molecular Phylogenetics and Evolution, 61:810-822.

Was split from Western beaked gecko (Rhynchoedura ornata) in 2011.1 - Pepper etal. (2011). Ancient drainages divide cryptic species in Australia's arid zone: Morphological and multi-gene evidence for four new species of Beaked Geckos (Rhynchoedura). Molecular Phylogenetics and Evolution, 61:810-822.